We divide 315541 by 78
The aim is to understand the frequency of 78 in 315541.

On to step 1:
78 can be fit into 3 0 times, resulting in a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Fetch the next digit (1) from the dividend, attach it to 3 and continue: 31 / 78

Step 2:
78 can be fit into 31 0 times, resulting in a remainder of 31.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 31 to get 31.
Grab the next digit (5) from the dividend, add it to 31, then carry on: 315 / 78

On to step 3:
The number 78 fits into 315 4 times, leaving a remainder of 3.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we take 312 away from 315, we end up with 3.
Fetch the next digit (5) from the dividend, attach it to 3 and continue: 35 / 78

On to step 4:
If we divide 35 by 78, we get 0 and a remainder of 35.
Use 0 as the next digit of our solution. 
Result so far: 40.0
If we take 0 away from 35, we end up with 35.
Append the next digit (4) from the dividend to 35 and continue with: 354 / 78

Let's proceed to step 5:
78 can be fit into 354 4 times, resulting in a remainder of 42.
Record the quotient 4 as the next digit in the result. 
Result so far: 404.0
Deduct 312 from 354 and we're left with 42.
Include the next digit (1) from the dividend after 42, then repeat: 421 / 78

Let's proceed to step 6:
When dividing 421 by 78, we get 5 with a remainder of 31.
The next digit of our result is 5. 
Result so far: 4045.0
Deduct 390 from 421 and we're left with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Let's proceed to step 7:
If we divide 310 by 78, we get 3 and a remainder of 76.
The next digit of our result is 3. 
Result so far: 4045.3
Subtract 234 from 310 to get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

On to step 8:
The number 78 fits into 760 9 times, leaving a remainder of 58.
The number 9 becomes the next digit in our result. 
Result so far: 4045.39
Subtract 702 from 760 to get 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Going ahead to step 9:
78 goes into 580 7 times with a remainder of 34.
Put 7 as the next digit of the answer. 
Result so far: 4045.397
If we take 546 away from 580, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

On to step 10:
78 goes into 340 4 times with a remainder of 28.
Record the quotient 4 as the next digit in the result. 
Result so far: 4045.3974
Subtract 312 from 340 to get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 11:
The number 78 fits into 280 3 times, leaving a remainder of 46.
The next digit of our result is 3. 
Result so far: 4045.39743
If we take 234 away from 280, we end up with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Moving on to step 12:
78 can be fit into 460 5 times, resulting in a remainder of 70.
Write down 5 as next digit of the result. 
Result so far: 4045.397435
If we subtract 390 from 460, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Step 13:
78 can be fit into 700 8 times, resulting in a remainder of 76.
Record the quotient 8 as the next digit in the result. 
Result so far: 4045.3974358
If we subtract 624 from 700, we get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Advancing to step 14:
760 divided by 78 is 9 with a remainder of 58.
The number 9 becomes the next digit in our result. 
Result so far: 4045.39743589
Deduct 702 from 760 and we're left with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

The final outcome is 4045.39743589, with a leftover of 5.8e-08.